Subtract 28/5 from 12/4
1st number: 3 0/4, 2nd number: 5 3/5
12/4 - 28/5 is -13/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
12/4 = 12 × 5/4 × 5 = 60/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Subtract the two like fractions:
60/20 - 112/20 = 60 - 112/20 = -52/20 - After reducing the fraction, the answer is -13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-28/5 12/4-56/5 12/8-28/5 12/4-28/10 36/4-28/5 12/4-84/5 12/4-28/15 60/4-28/5 12/20-28/5 12/4-28/25 84/4-28/5 12/28-28/5 12/4-28/35